202710040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1061

約数の個数: 128

約数和(自身を含む): 543231360

約数和(自身を除く): 340521320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 299, 340, 391, 442, 460, 520, 598, 680, 782, 884, 920, 997, 1105, 1196, 1495, 1564, 1768, 1955, 1994, 2210, 2392, 2990, 3128, 3910, 3988, 4420, 4985, 5083, 5980, 7820, 7976, 8840, 9970, 10166, 11960, 12961, 15640, 16949, 19940, 20332, 22931, 25415, 25922, 33898, 39880, 40664, 45862, 50830, 51844, 64805, 67796, 84745, 91724, 101660, 103688, 114655, 129610, 135592, 169490, 183448, 203320, 220337, 229310, 259220, 298103, 338980, 389827, 440674, 458620, 518440, 596206, 677960, 779654, 881348, 917240, 1101685, 1192412, 1490515, 1559308, 1762696, 1949135, 2203370, 2384824, 2981030, 3118616, 3898270, 4406740, 5067751, 5962060, 7796540, 8813480, 10135502, 11924120, 15593080, 20271004, 25338755, 40542008, 50677510, 101355020, 202710040]

約数ペア:

[(1, 202710040), (2, 101355020), (4, 50677510), (5, 40542008), (8, 25338755), (10, 20271004), (13, 15593080), (17, 11924120), (20, 10135502), (23, 8813480), (26, 7796540), (34, 5962060), (40, 5067751), (46, 4406740), (52, 3898270), (65, 3118616), (68, 2981030), (85, 2384824), (92, 2203370), (104, 1949135), (115, 1762696), (130, 1559308), (136, 1490515), (170, 1192412), (184, 1101685), (221, 917240), (230, 881348), (260, 779654), (299, 677960), (340, 596206), (391, 518440), (442, 458620), (460, 440674), (520, 389827), (598, 338980), (680, 298103), (782, 259220), (884, 229310), (920, 220337), (997, 203320), (1105, 183448), (1196, 169490), (1495, 135592), (1564, 129610), (1768, 114655), (1955, 103688), (1994, 101660), (2210, 91724), (2392, 84745), (2990, 67796), (3128, 64805), (3910, 51844), (3988, 50830), (4420, 45862), (4985, 40664), (5083, 39880), (5980, 33898), (7820, 25922), (7976, 25415), (8840, 22931), (9970, 20332), (10166, 19940), (11960, 16949), (12961, 15640)]